public class Test {
        public static void main(String args[]) {
            CPU cpu = new CPU();
            HardDisk HD=new HardDisk();
            cpu.setSpeed(2200);
            HD.setAmount(200);
            PC pc =new PC();
            pc.setCPU(cpu);
            pc.setHardDisk(HD);
            pc.show();
        }
}
